//app.js
App({
  onLaunch: function () {
    // 展示本地存储能力
    var logs = wx.getStorageSync('logs') || []
    logs.unshift(Date.now())
    wx.setStorageSync('logs', logs)

    wx.cloud.init({
      env: 'txy-sthy-1goq9mxf8f7b075d'
    });

    wx.getSystemInfo({
      success: (res) => {
        console.log(res)
        let totalTopHeight = wx.getMenuButtonBoundingClientRect().bottom + wx.getMenuButtonBoundingClientRect().top
        this.globalData.windowWidth = res.windowWidth
        this.globalData.windowHeight = res.windowHeight
        this.globalData.statusBarHeight = res.statusBarHeight
        this.globalData.titleBarHeight = totalTopHeight - res.statusBarHeight * 2
      },
      fail: () => {
        this.globalData.statusBarHeight = 20
        this.globalData.titleBarHeight = 44
      }
    })

    var fontSize = wx.getStorageSync('fontSize');
    if (!fontSize) {
      wx.setStorageSync("fontSize", "16");
    }

    // 登录
    wx.login({
      success: res => {
        // 发送 res.code 到后台换取 openId, sessionKey, unionId
      }
    })

    wx.cloud.callFunction({
      name: 'getOpenData',
      complete: res => {
        var openId = res.result.userInfo.openId;
        // console.log('callFunction result: ', res.result);
        console.log('openId: ', openId);
        wx.setStorageSync("openId", openId);
      }
    })

    // 获取用户信息
    wx.getSetting({
      success: res => {
        if (res.authSetting['scope.userInfo']) {
          // 已经授权，可以直接调用 getUserInfo 获取头像昵称，不会弹框
          wx.getUserInfo({
            success: res => {
              // 可以将 res 发送给后台解码出 unionId
              this.globalData.userInfo = res.userInfo

              // 由于 getUserInfo 是网络请求，可能会在 Page.onLoad 之后才返回
              // 所以此处加入 callback 以防止这种情况
              if (this.userInfoReadyCallback) {
                this.userInfoReadyCallback(res)
              }
            }
          })
        }
      }
    })
  },
  globalData: {
    userInfo: null
  }
})